Rose 50 JL Jaeger-LeCoultre Geophysical Observatory Series 800652j New replica series transparent watch is decorated with the word "Geophysic" and the Jaeger-LeCoultre logo at 6 o'clock and 12 o'clock respectively. The size is 38.5 m (simultaneously authentic) and uses an imported 9015 automatic winding machine. core, accurate travel time and full reliability. The case is made of 316L stainless steel, the front and rear of the watch are made of sapphire crystal glass, Italian cowhide with original buckle, waterproof to 50 meters. (Beautiful yet low-key, extremely simple yet elegant),